Smoking and Cancer Diseases

In America there are many studies on the relationship between tobacco use and cancer was conducted, these studies estimate that about a third of cancer deaths related to tobacco use. Tobacco causes approximately 90% of all deaths from lung cancer and smoking also causes cancer in many other parts like pharynx, larynx, esophagus, pancreas, uterus, cervix, kidney, bladder, colon and rectum. http://howtoquitsmoking24h.com/smoking-and-cancer-diseases.html